Golang网络超时错误处理全解析

client := &http.Client{
    Timeout: 10 * time.Second,
}
resp, err := client.Get("https://api.example.com/data")
if err != nil {
    log.Printf("请求失败: %v", err)
    return
}
defer resp.Body.Close()

transport := &http.Transport{
    DialContext: (&net.Dialer{
        Timeout:   5 * time.Second,
        KeepAlive: 30 * time.Second,
    }).DialContext,
    ResponseHeaderTimeout: 5 * time.Second,
    IdleConnTimeout:       60 * time.Second,
}
<p>client := &http.Client{
Transport: transport,
Timeout:   15 * time.Second,
}</p>

_, err := http.Get("https://slow-site.com")
if err != nil {
    if e, ok := err.(net.Error); ok && e.Timeout() {
        log.Println("请求超时")
    } else if e, ok := err.(*net.OpError); ok && e.Err.Error() == "connection refused" {
        log.Println("连接被拒绝")
    } else {
        log.Printf("其他错误: %v", err)
    }
}

ctx, cancel := context.WithTimeout(context.Background(), 8*time.Second)
defer cancel()
<p>req, _ := http.NewRequestWithContext(ctx, "GET", "<a target='_blank'  href='https://www.17golang.com/gourl/?redirect=MDAwMDAwMDAwML57hpSHp6VpkrqbYLx2eayza4KafaOkbLS3zqSBrJvPsa5_0Ia6sWuR4Juaq6t9nq5roGCUgXuytMyero2KedWwon_Qm9G-qZGYhaW7ZGmorrKFmnmyh6O_t7dsgXaJ0bOIg8-FzalskdN9qbGGl2m0gI2qfmuGsrKVu2mNrJHPs4VuoQ' rel='nofollow'>https://api.service.com</a>", nil)
resp, err := http.DefaultClient.Do(req)
if err != nil {
log.Printf("请求中断: %v", err)
}</p>